Invention Grant
US08159120B2 Pixel tube for field emission device 有权
用于场发射装置的像素管

Pixel tube for field emission device
Abstract:
A triode field emission device (100) includes a sealed container (110) having a light permeable portion (120), a phosphor layer (130) formed on the light permeable portion in the sealed container, an anode (140) formed on the phosphor layer, a cathode (150) arranged in the sealed container and facing the light permeable portion, and a grid (160) arranged in the sealed container and between the cathode and the anode. The cathode has a carbon nanotube yarn (151) facing toward the light permeable portion configured for serving as an emission source for electrons.
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